package com.gzsxy.gaoji;

import java.util.concurrent.locks.ReentrantLock;

//测试Lock锁
public class TestLock {
    public static void main(String[] args) {
        TestLock2 testLock2 = new TestLock2();

        new Thread(testLock2, "小张").start();
        new Thread(testLock2, "小黄").start();
        new Thread(testLock2, "小蔡").start();
    }
}


class TestLock2 implements Runnable {


    int ticketNums = 10;
    //定义lock锁
    private final ReentrantLock lock = new ReentrantLock();


    @Override
    public void run() {
        while (true) {

            try {
                lock.lock(); //加锁
                if (ticketNums > 0) {
                    try {
                        Thread.sleep(1000);
                    } catch (InterruptedException e) {
                        e.printStackTrace();
                    }
                    System.out.println("线程名字：" + Thread.currentThread().getName() + ticketNums--);
                } else {
                    break;
                }
            } finally {
                //解锁
                lock.unlock();

            }


        }

    }
}